ambassador stevens was killed last month after attack at the u.s. conditions lit in benghazi. now abc news reports he told a colleague in august not to travel to libya because of safety concerns. stevens graduated from uc berkeley. >>> tonight is the night the presidential s are preparing to take the stage in denver for their -- their first debate, 50 mile beyond are expected to tune in after weeks of them attacking each other on the campaign trail watch they say could be pivotal with only five weeks before voters go to the polls. >> we can't afford four more years of the last four years. >> the president: we don't get very far when we have leaders who write-off half the nation as victims. >> during a break in their intense debate preparations romney grabbed a bite to eat in denver. president obama visited the dam for the first time. -- visited the an hoover dam for the first time. >>> 6:30 7. what do they say this real estate, location, location, location. that fits for the forecast too. >> location and timing is key to today's forecast, good morning, welcome to wednesday, vi